## Denso U27ESR-NB (CR9EB) Spark Plug - Reliability and Performance Denso is a brand renowned for producing high-quality automotive and motorcycle parts. The U27ESR-NB (CR9EB) spark plug is another example of their attention to detail and innovative solutions. It ensures optimal combustion, resulting in smooth engine operation, improved performance, and reduced fuel consumption. ### Key Features and Benefits: * **Optimal Combustion:** The precisely crafted nickel-lithium center electrode provides a stable and strong spark, contributing to efficient combustion of the fuel-air mixture. * **Durability and Long Life:** High-quality materials and precise manufacturing guarantee a long spark plug life, minimizing the need for frequent replacements. * **Smooth Engine Operation:** Thanks to a stable spark, the U27ESR-NB (CR9EB) spark plug contributes to smooth and stable engine operation, both at low and high speeds. * **Reduced Fuel Consumption:** Efficient combustion translates to lower fuel consumption, saving you money and benefiting the environment. * **Compatibility:** NGK equivalent: CR9EB. This makes it easier to choose the right spark plug. ### Technical Specifications: * NGK Code: CR9EB * Denso Code: U27ESRNB, U27ESR-NB * Thread Diameter: 10mm * Thread Length: 19mm * Wrench Size: 16mm * Center Electrode Material: Nickel-Lithium